xref: /wlan-dirver/qca-wifi-host-cmn/wmi/src/wmi_unified_action_oui_tlv.c (revision d0c05845839e5f2ba5a8dcebe0cd3e4cd4e8dfcf)
1 /*
2  * Copyright (c) 2016-2018, 2020 The Linux Foundation. All rights reserved.
3  * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
4  *
5  * Permission to use, copy, modify, and/or distribute this software for
6  * any purpose with or without fee is hereby granted, provided that the
7  * above copyright notice and this permission notice appear in all
8  * copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
11  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
12  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
13  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
14  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
15  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
16  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17  * PERFORMANCE OF THIS SOFTWARE.
18  */
19 
20 #include "wmi_unified_action_oui_tlv.h"
21 #include "wmi_unified_priv.h"
22 
23 bool wmi_get_action_oui_id(enum action_oui_id action_id,
24 			   wmi_vendor_oui_action_id *id)
25 {
26 	switch (action_id) {
27 
28 	case ACTION_OUI_CONNECT_1X1:
29 		*id = WMI_VENDOR_OUI_ACTION_CONNECTION_1X1;
30 		return true;
31 
32 	case ACTION_OUI_ITO_EXTENSION:
33 		*id = WMI_VENDOR_OUI_ACTION_ITO_EXTENSION;
34 		return true;
35 
36 	case ACTION_OUI_CCKM_1X1:
37 		*id = WMI_VENDOR_OUI_ACTION_CCKM_1X1;
38 		return true;
39 
40 	case ACTION_OUI_ITO_ALTERNATE:
41 		*id = WMI_VENDOR_OUI_ACTION_ALT_ITO;
42 		return true;
43 
44 	case ACTION_OUI_SWITCH_TO_11N_MODE:
45 		*id = WMI_VENDOR_OUI_ACTION_SWITCH_TO_11N_MODE;
46 		return true;
47 
48 	case ACTION_OUI_CONNECT_1X1_WITH_1_CHAIN:
49 		*id = WMI_VENDOR_OUI_ACTION_CONNECTION_1X1_NUM_TX_RX_CHAINS_1;
50 		return true;
51 
52 	case ACTION_OUI_DISABLE_AGGRESSIVE_TX:
53 		*id = WMI_VENDOR_OUI_ACTION_DISABLE_AGGRESSIVE_TX;
54 		return true;
55 
56 	case ACTION_OUI_DISABLE_TWT:
57 		*id = WMI_VENDOR_OUI_ACTION_DISABLE_FW_TRIGGERED_TWT;
58 		return true;
59 
60 	case ACTION_OUI_EXTEND_WOW_ITO:
61 		*id = WMI_VENDOR_OUI_ACTION_EXTEND_WOW_ITO;
62 		return true;
63 
64 	default:
65 		return false;
66 	}
67 }
68 
69 uint32_t wmi_get_action_oui_info_mask(uint32_t info_mask)
70 {
71 	uint32_t info_presence = 0;
72 
73 	if (info_mask & ACTION_OUI_INFO_OUI)
74 		info_presence |= WMI_BEACON_INFO_PRESENCE_OUI_EXT;
75 
76 	if (info_mask & ACTION_OUI_INFO_MAC_ADDRESS)
77 		info_presence |= WMI_BEACON_INFO_PRESENCE_MAC_ADDRESS;
78 
79 	if (info_mask & ACTION_OUI_INFO_AP_CAPABILITY_NSS)
80 		info_presence |= WMI_BEACON_INFO_PRESENCE_AP_CAPABILITY_NSS;
81 
82 	if (info_mask & ACTION_OUI_INFO_AP_CAPABILITY_HT)
83 		info_presence |= WMI_BEACON_INFO_PRESENCE_AP_CAPABILITY_HT;
84 
85 	if (info_mask & ACTION_OUI_INFO_AP_CAPABILITY_VHT)
86 		info_presence |= WMI_BEACON_INFO_PRESENCE_AP_CAPABILITY_VHT;
87 
88 	if (info_mask & ACTION_OUI_INFO_AP_CAPABILITY_BAND)
89 		info_presence |= WMI_BEACON_INFO_PRESENCE_AP_CAPABILITY_BAND;
90 
91 	return info_presence;
92 }
93 
94 void wmi_fill_oui_extensions(struct action_oui_extension *extension,
95 			     uint32_t no_oui_extns,
96 			     wmi_vendor_oui_ext *cmd_ext)
97 {
98 	uint32_t i;
99 	uint32_t buffer_length;
100 
101 	for (i = 0; i < no_oui_extns; i++) {
102 		WMITLV_SET_HDR(&cmd_ext->tlv_header,
103 			       WMITLV_TAG_STRUC_wmi_vendor_oui_ext,
104 			       WMITLV_GET_STRUCT_TLVLEN(wmi_vendor_oui_ext));
105 		cmd_ext->info_presence_bit_mask =
106 			wmi_get_action_oui_info_mask(extension->info_mask);
107 
108 		cmd_ext->oui_header_length = extension->oui_length;
109 		cmd_ext->oui_data_length = extension->data_length;
110 		cmd_ext->mac_address_length = extension->mac_addr_length;
111 		cmd_ext->capability_data_length =
112 					extension->capability_length;
113 
114 		buffer_length = extension->oui_length +
115 				extension->data_length +
116 				extension->data_mask_length +
117 				extension->mac_addr_length +
118 				extension->mac_mask_length +
119 				extension->capability_length;
120 
121 		cmd_ext->buf_data_length = buffer_length + 1;
122 
123 		cmd_ext++;
124 		extension++;
125 	}
126 
127 }
128 
129 QDF_STATUS
130 wmi_fill_oui_extensions_buffer(struct action_oui_extension *extension,
131 			       wmi_vendor_oui_ext *cmd_ext,
132 			       uint32_t no_oui_extns, uint32_t rem_var_buf_len,
133 			       uint8_t *var_buf)
134 {
135 	uint8_t i;
136 
137 	for (i = 0; i < (uint8_t)no_oui_extns; i++) {
138 		if ((rem_var_buf_len - cmd_ext->buf_data_length) < 0) {
139 			wmi_err("Invalid action oui command length");
140 			return QDF_STATUS_E_INVAL;
141 		}
142 
143 		var_buf[0] = i;
144 		var_buf++;
145 
146 		if (extension->oui_length) {
147 			qdf_mem_copy(var_buf, extension->oui,
148 				     extension->oui_length);
149 			var_buf += extension->oui_length;
150 		}
151 
152 		if (extension->data_length) {
153 			qdf_mem_copy(var_buf, extension->data,
154 				     extension->data_length);
155 			var_buf += extension->data_length;
156 		}
157 
158 		if (extension->data_mask_length) {
159 			qdf_mem_copy(var_buf, extension->data_mask,
160 				     extension->data_mask_length);
161 			var_buf += extension->data_mask_length;
162 		}
163 
164 		if (extension->mac_addr_length) {
165 			qdf_mem_copy(var_buf, extension->mac_addr,
166 				     extension->mac_addr_length);
167 			var_buf += extension->mac_addr_length;
168 		}
169 
170 		if (extension->mac_mask_length) {
171 			qdf_mem_copy(var_buf, extension->mac_mask,
172 				     extension->mac_mask_length);
173 			var_buf += extension->mac_mask_length;
174 		}
175 
176 		if (extension->capability_length) {
177 			qdf_mem_copy(var_buf, extension->capability,
178 				     extension->capability_length);
179 			var_buf += extension->capability_length;
180 		}
181 
182 		rem_var_buf_len -= cmd_ext->buf_data_length;
183 		cmd_ext++;
184 		extension++;
185 	}
186 
187 	return QDF_STATUS_SUCCESS;
188 }
189 
190 QDF_STATUS
191 send_action_oui_cmd_tlv(wmi_unified_t wmi_handle,
192 			struct action_oui_request *req)
193 {
194 	wmi_pdev_config_vendor_oui_action_fixed_param *cmd;
195 	wmi_vendor_oui_ext *cmd_ext;
196 	wmi_buf_t wmi_buf;
197 	struct action_oui_extension *extension;
198 	uint32_t len;
199 	uint32_t i;
200 	uint8_t *buf_ptr;
201 	uint32_t no_oui_extns;
202 	uint32_t total_no_oui_extns;
203 	uint32_t var_buf_len = 0;
204 	wmi_vendor_oui_action_id action_id;
205 	bool valid;
206 	uint32_t rem_var_buf_len;
207 	QDF_STATUS status;
208 
209 	if (!req) {
210 		wmi_err("action oui is empty");
211 		return QDF_STATUS_E_INVAL;
212 	}
213 
214 	no_oui_extns = req->no_oui_extensions;
215 	total_no_oui_extns = req->total_no_oui_extensions;
216 
217 	len = sizeof(*cmd);
218 	len += WMI_TLV_HDR_SIZE; /* Array of wmi_vendor_oui_ext structures */
219 
220 	if (!no_oui_extns ||
221 	    no_oui_extns > WMI_MAX_VENDOR_OUI_ACTION_SUPPORTED_PER_ACTION ||
222 	    (total_no_oui_extns > WMI_VENDOR_OUI_ACTION_MAX_ACTION_ID *
223 	     WMI_MAX_VENDOR_OUI_ACTION_SUPPORTED_PER_ACTION)) {
224 		wmi_err("Invalid number of action oui extensions");
225 		return QDF_STATUS_E_INVAL;
226 	}
227 
228 	valid = wmi_get_action_oui_id(req->action_id, &action_id);
229 	if (!valid) {
230 		wmi_err("Invalid action id");
231 		return QDF_STATUS_E_INVAL;
232 	}
233 
234 	len += no_oui_extns * sizeof(*cmd_ext);
235 	len += WMI_TLV_HDR_SIZE; /* Variable length buffer */
236 
237 	extension = req->extension;
238 	for (i = 0; i < no_oui_extns; i++) {
239 		var_buf_len += extension->oui_length +
240 		       extension->data_length +
241 		       extension->data_mask_length +
242 		       extension->mac_addr_length +
243 		       extension->mac_mask_length +
244 		       extension->capability_length;
245 		extension++;
246 	}
247 
248 	var_buf_len += no_oui_extns; /* to store indexes */
249 	rem_var_buf_len = var_buf_len;
250 	var_buf_len = (var_buf_len + 3) & ~0x3;
251 	len += var_buf_len;
252 
253 	wmi_buf = wmi_buf_alloc(wmi_handle, len);
254 	if (!wmi_buf) {
255 		wmi_err("Failed to allocate wmi buffer");
256 		return QDF_STATUS_E_FAILURE;
257 	}
258 
259 	buf_ptr = (uint8_t *)wmi_buf_data(wmi_buf);
260 	cmd = (wmi_pdev_config_vendor_oui_action_fixed_param *)buf_ptr;
261 
262 	WMITLV_SET_HDR(&cmd->tlv_header,
263 		WMITLV_TAG_STRUC_wmi_pdev_config_vendor_oui_action_fixed_param,
264 		WMITLV_GET_STRUCT_TLVLEN(
265 			wmi_pdev_config_vendor_oui_action_fixed_param));
266 
267 	cmd->action_id = action_id;
268 	cmd->total_num_vendor_oui = total_no_oui_extns;
269 	cmd->num_vendor_oui_ext = no_oui_extns;
270 
271 	buf_ptr += sizeof(*cmd);
272 	WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
273 		       no_oui_extns * sizeof(*cmd_ext));
274 	buf_ptr += WMI_TLV_HDR_SIZE;
275 	cmd_ext = (wmi_vendor_oui_ext *)buf_ptr;
276 	wmi_fill_oui_extensions(req->extension, no_oui_extns, cmd_ext);
277 
278 	buf_ptr += no_oui_extns * sizeof(*cmd_ext);
279 	WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_BYTE, var_buf_len);
280 	buf_ptr += WMI_TLV_HDR_SIZE;
281 	status = wmi_fill_oui_extensions_buffer(req->extension,
282 						cmd_ext, no_oui_extns,
283 						rem_var_buf_len, buf_ptr);
284 	if (!QDF_IS_STATUS_SUCCESS(status)) {
285 		wmi_buf_free(wmi_buf);
286 		wmi_buf = NULL;
287 		return QDF_STATUS_E_INVAL;
288 	}
289 
290 	buf_ptr += var_buf_len;
291 
292 	if (wmi_unified_cmd_send(wmi_handle, wmi_buf, len,
293 				 WMI_PDEV_CONFIG_VENDOR_OUI_ACTION_CMDID)) {
294 		wmi_err("WMI_PDEV_CONFIG_VENDOR_OUI_ACTION send fail");
295 		wmi_buf_free(wmi_buf);
296 		wmi_buf = NULL;
297 		return QDF_STATUS_E_FAILURE;
298 	}
299 
300 	return QDF_STATUS_SUCCESS;
301 }
302